js/src/tests/ecma/Expressions/11.4.1.js@6474c204b198
js/src/tests/ecma/Expressions/11.4.1.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 /**
8 File Name: 11.4.1.js
9 ECMA Section: 11.4.1 the Delete Operator
10 Description: returns true if the property could be deleted
11 returns false if it could not be deleted
12 Author: christine@netscape.com
13 Date: 7 july 1997
15 */
18 var SECTION = "11.4.1";
19 var VERSION = "ECMA_1";
20 startTest();
21 var TITLE = "The delete operator";
23 writeHeaderToLog( SECTION + " "+ TITLE);
25 // new TestCase( SECTION, "x=[9,8,7];delete(x[2]);x.length", 2, eval("x=[9,8,7];delete(x[2]);x.length") );
26 // new TestCase( SECTION, "x=[9,8,7];delete(x[2]);x.toString()", "9,8", eval("x=[9,8,7];delete(x[2]);x.toString()") );
27 new TestCase( SECTION, "x=new Date();delete x;typeof(x)", "undefined", eval("x=new Date();delete x;typeof(x)") );
29 // array[item++] = new TestCase( SECTION, "delete(x=new Date())", true, delete(x=new Date()) );
30 // array[item++] = new TestCase( SECTION, "delete('string primitive')", true, delete("string primitive") );
31 // array[item++] = new TestCase( SECTION, "delete(new String( 'string object' ) )", true, delete(new String("string object")) );
32 // array[item++] = new TestCase( SECTION, "delete(new Number(12345) )", true, delete(new Number(12345)) );
33 new TestCase( SECTION, "delete(Math.PI)", false, delete(Math.PI) );
34 // array[item++] = new TestCase( SECTION, "delete(null)", true, delete(null) );
35 // array[item++] = new TestCase( SECTION, "delete(void(0))", true, delete(void(0)) );
37 // variables declared with the var statement are not deletable.
39 var abc;
40 new TestCase( SECTION, "var abc; delete(abc)", false, delete abc );
42 new TestCase( SECTION,
43 "var OB = new MyObject(); for ( p in OB ) { delete p }",
44 true,
45 eval("var OB = new MyObject(); for ( p in OB ) { delete p }") );
47 test();
49 function MyObject() {
50 this.prop1 = true;
51 this.prop2 = false;
52 this.prop3 = null;
53 this.prop4 = void 0;
54 this.prop5 = "hi";
55 this.prop6 = 42;
56 this.prop7 = new Date();
57 this.prop8 = Math.PI;
58 }
